colour coat

• 涂色； 着色

colour coat的用法和样例：

例句

1. She asked the children to colour in a picture of a meadow.
   她让孩子们给一幅草地的画着色。
2. It used before electroplating to improve the adhesion of coat,before painting to enhance the pigmentation.
   在电镀前处理，可增强镀层的附着力，在喷漆前处理，可增强油漆的着色力。